Expresses QF2 in adipose tissue under the control of the 'r4' enhancer from between Yp1 and Yp2. Insertion was made by knocking QF2 into P{r4-GAL4}3 via Homology Assisted CRISPR Knockin (FBrf0233134). May be segregating CyO and/or TM6B, Tb[1].